The publication offers a pictorial guide to all the major pests and diseases, as well as a number of nutritional and physiological disorders affecting hardy nursery stock crops.
Biological pest-control agents commonly used under protection and beneficial insects and spiders found on nurseries are also included in the guide.
The HDC is also distributing a crop monitoring pad and magnification hand lens with the guide to form a crop walker kit to assist technical staff with responsibility for crop monitoring and spray application.
HDC knowledge transfer manager Wayne Brough said: "The guide always proves popular among the industry and it is an important resource in enabling the quick and accurate identification of pests, diseases and disorders. The inclusion of a crop monitoring record pad and hand lens will add to the practical application of the guide on nurseries."
The guide and record sheets can be downloaded from the HDC website at www.hdc.org.uk.